Update kernel to builds 6661949 am: f5e9dde255 am: 0ec7402144 am: fee6ca2916

Original change: https://android-review.googlesource.com/c/device/google/cuttlefish_kernel/+/1358464

Change-Id: Ie48a912c5a78cb30ff67d7555222ff11514f2c15
tree: 46d012960b71f9214cd1435c00a057781ae596cb
  1. 5.4-arm64/
  2. 5.4-x86_64/
  3. scripts/
  4. Android.bp
  5. METADATA
  6. OWNERS
  7. TEST_MAPPING